Remove android_junit_tests from the main BUILD.gn file.

This target has been migrated into two separate targets in
https://webrtc-review.googlesource.com/c/src/+/166603.

Bug: webrtc:11289
Change-Id: Ibdea7616b79695b2ffb67d2210b41db55c41f50b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/166536
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30330}
diff --git a/BUILD.gn b/BUILD.gn
index eded8ad..4b5bba6 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -73,7 +73,6 @@
       }
       if (is_android) {
         deps += [
-          ":android_junit_tests",
           "examples:android_examples_junit_tests",
           "sdk/android:android_sdk_junit_tests",
           "sdk/android:android_instrumentation_test_apk",
@@ -683,37 +682,6 @@
       shard_timeout = 900
     }
   }
-
-  if (is_android) {
-    junit_binary("android_junit_tests") {
-      sources = [
-        "examples/androidjunit/src/org/appspot/apprtc/BluetoothManagerTest.java",
-        "examples/androidjunit/src/org/appspot/apprtc/DirectRTCClientTest.java",
-        "examples/androidjunit/src/org/appspot/apprtc/TCPChannelClientTest.java",
-        "sdk/android/tests/src/org/webrtc/AndroidVideoDecoderTest.java",
-        "sdk/android/tests/src/org/webrtc/CameraEnumerationTest.java",
-        "sdk/android/tests/src/org/webrtc/CodecTestHelper.java",
-        "sdk/android/tests/src/org/webrtc/CryptoOptionsTest.java",
-        "sdk/android/tests/src/org/webrtc/FakeMediaCodecWrapper.java",
-        "sdk/android/tests/src/org/webrtc/GlGenericDrawerTest.java",
-        "sdk/android/tests/src/org/webrtc/HardwareVideoEncoderTest.java",
-        "sdk/android/tests/src/org/webrtc/IceCandidateTest.java",
-        "sdk/android/tests/src/org/webrtc/ScalingSettingsTest.java",
-      ]
-
-      deps = [
-        "examples:AppRTCMobile_javalib",
-        "sdk/android:libjingle_peerconnection_java",
-        "//base:base_java_test_support",
-        "//third_party/google-truth:google_truth_java",
-      ]
-
-      additional_jar_files = [ [
-            "sdk/android/tests/resources/robolectric.properties",
-            "robolectric.properties",
-          ] ]
-    }
-  }
 }
 
 # ---- Poisons ----